PowertrainP023B

Caution

Severity: Caution - get it checked when you can

Charge Air Cooler Coolant Pump A Control Circuit Low

29 brands affected · Generic SAE J2012 description.

Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

Safety: This code relates to engine cooling or temperature. Overheating can damage the engine.

1What it means in plain English

This code is in the powertrain range that covers fuel and air metering, over-temperature, overspeed and transmission over-temperature conditions.

2Common causes

Dirty or faulty mass air flow sensor
Vacuum or intake air leak
Weak fuel pump or clogged fuel filter
Faulty fuel injector
Faulty oxygen sensor
Wiring or connector fault

3Can I drive?

Caution · drive with care

Watch the temperature gauge. Stop safely and let the engine cool if the gauge climbs, steam appears, or a red warning light comes on.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 29

Brand	Code	Description	System
Ashok Leyland CV	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
BAIC Motor	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
BYD	P023B	Cooling pump speed regulation control circuit low Brand	Powertrain
Chery	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
Chrysler	P023B	P2008 SHORT RUNNER SOLENOID CIRCUIT or CHARGE AIR COOLER CIRCULATION PUMP CONTROL CKT LOW Brand	Powertrain
Daewoo	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
DFFS	P023B	Water pump actuator control failure Brand	Powertrain
DFFX	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
DFXK	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
EOBD	P023B	Kylmedelspump för laddluftkylare 'A' styrkrets låg Brand	Powertrain
Ford	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Geely	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
GM	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
Great Wall	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
Hafei	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
Holden	P023B	Charge Air Cooler Coolant Pump Relay Control Circuit Low Voltage Brand	Powertrain
Honda	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Hyundai	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Isuzu	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Land Rover	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Mitsubishi	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Opel	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
Peugeot	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Proton	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Saab	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
MG (SAIC)	P023B	Charge Air Cooler Coolant Pump Control Circuit Low Brand	Powertrain
Subaru	P023B	Charge Air Cooler Coolant Pump A Control Circuit Low SAE	Powertrain
Toyota	P023B	Booster and cold water pump relay low voltage Brand	Powertrain
Volkswagen	P023B	Coolant pump for intercooler: short to GND; Mechanical failure Brand	Powertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 1

These 7-character codes are manufacturer-specific variants of P023B and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P023B00	Die Ansteuerung 'Kühlmittelpumpe des Ladeluftkühlers' hat Kurzschluss nach Masse. Brand	Powertrain

6Related codes

Browse Pxxx codes or P023xx codes.